I have a question for Geoff or anyone else. Can one GPS unit support multiple OSDs? Assuming the OSDs are initialized and query the GPS one at a time. What...
Hi All, I have written up a page explaining about GPS Datums. http://homepages.slingshot.co.nz/~geoff36/datum.htm If anyone spots an error, please let me know,...
Geoff, Looks great to me. Good job! One thing that might be helpful to the other IOTA members is some data on the way the Garmin 16 and Garmin 18 output...
Dear Geoff, Is there any software that I can use with KIWI OSD to take the average value of GPS height (also long / lat) over a period of time during ...
... In the FILES section of this KIWI OSD egroup http://finance.groups.yahoo.com/group/kiwiosd/files/ - there is some software I wrote back in 2005 that will...
... The reason I didn't talk about different GPS units Tony, is the horizontal datum, can be set to one of a hundred different "regional" values (which can...
Thanks Geoff, I have a Garmin differential beacon receiver unit (GBR23), if I use it with KIWI OSD, will I able to get better position accuracy under ...
... Assuming you have the ~300kHz differential corrections available in Hong Kong, then YES the GBR23 may give some slight improvement in Lat/Lon/Hgt if you...
Thanks Geoff, The GBR23 differential bascon receiver cannot operate as a stand alone unit. It only receive differenital correction signal (at 289 kHz, 200 bps...
Hello Mr Yue I can see I did not understand what you were wanting to achieve in my Msg #568. Now I think I understand ;-) ... Because the precision of the 1PPS...
Dear Geoff, Thank you for your detail explanation. Is it make sense for me to use both KIWI OSD with DGPS 18 LVC and your AVG.EXE program for better accuracy...
Hello All, There was recent discussion on the IOTA egroup, about timing at extreme temperatures. Gerhard Dangl (from Austria, Europe) decided to test for...
... This is what I would do, to "test" a GBR23 wired to a Garmin 18: As mentioned previously, you can tell if the "Garmin 18" is using the differential...
Hello Geoff, ... wonderfull, this was an answer for me before I was able to ask about. If I have understood correct, GPS internally works with WGS84 datum. My...
... Yes, you are correct Gerhard, if you used the EGM96 (geoidal value) to convert the GPS MSL -> WGS84 height, you would be compounding two approximations and...
... That is a good question and I couldn't find a useful answer anywhere, so I thought I would write some software to find out how accurate the WGS84 --> MSL...
... A picture is worth a thousand words! Dr Hans-Hellmuth Cuno, has adapted the tabulated data that I derived recently ("difference" between EGM96 and EGM84)...
Greetings everyone, I am a sport biomechanics researcher, and I spend some of my time collecting various forms of data from human subjects. In one such ...
Hello GK, In my set-up I use a standalone video camera which passes through the OSD and records to a mini-DV camcorder. I use a supplementary monitor (split...
If you buy four of the PC164 video cameras from SuperCircuits you will save weight, bulk and money compared to the four recording video cameras. You could then...
... Hello GK, the method Denis mentioned is the most common for astronomers who are doing precision video timing. Because you would not be so concerned about...
A friend recommended this source for hard drive video recorders. It looks like the Archos 404 will give you a 30GB MPEG4 video recorder with 3.5" screen for...
Well, I managed to find a couple of portable video recorders, one from Focus Enhancements and the other from Shining Technologies. But each of these comes in...
... This device does look interesting Gerald, however I think you also need to ADD the "Archos DVR Travel Adapter Kit" ($70) to be able to record from an...
... Hello Geoff, this is a highly interesting and usable device for some non astronomical applications. Did you ask about price or do you have some information...
Hello group. I have a KIWI with serial number 7 (fisrt version). Three months ago it did not use it, and the other day it was not possible to me to make pass...
... Hi Gerhard, I did not enquire about it, because as you say, it will be very expensive. I just gave it as an example of what I think will become a useful...
... Hello Oscar, Without any DC power to the KIWI box, connect the videocamera and monitor, you "should" see the camera video on the monitor. If you dont see...
I had this same problem when I first got my KIWI. After much testing I sent it back for diagnosis. In the meantime I bought new high end video cables. When the...
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